Table 2.
Summary of AVM treatment characteristics and patient outcomes.
| Variable | Endpoint |
(p-Value) | ||
|---|---|---|---|---|
| Complete closure (n = 15) | Partial closure (n = 6) | Stable (n = 5) | ||
| Median follow-up, months (IQR) | 31 (24–39) | 17 (11–22) | 25 (18–29) | 0.03 |
| Spetzler martin grade | – | – | – | 0.26 |
| I, n (%) | 5 (33) | 3 (50) | 0 (0) | |
| II, n (%) | 8 (53) | 3 (50) | 2 (40) | |
| III, n (%) | 3 (20) | 0 (0) | 3 (60) | |
| IV, n (%) | 1 (6) | 0 (0) | 0 (0) | |
| Median Nidus volume, cm3 (IQR) | 1.15 (0.54–4.66) | 3.42 (0.71–10.24) | 4.42 (1.96–9.07) | 0.63 |
| Intervention | 0.64 | |||
| SRS only, n (%) | 8 (53) | 5 (83) | 4 (80) | |
| SRS + embolization or surgery, n (%) | 7 (47) | 1 (17) | 1 (20) | |
| Isodose, median % (IQR) | 80 (76–85%) | 77 (72–80%) | 81 (80–81%) | 0.24 |
| Dose, median Gy (IQR) | 1800 (1750–1950) | 2050 (2000–2175) | 2000 (2000–2200) | 0.12 |